Sea Side Aquatics™ Entry M25 RDF Combi Filter – Model ENTRY‑M25
Integrated Drum Filter with Moving Bed and Mat Chamber for Ponds up to 10,000 Gallons
The Sea Side Aquatics Entry M25 RDF Combi Filter is a low-profile, all-in-one filtration system combining automatic mechanical filtration with dual-stage biological treatment. Engineered for efficiency and ease of use, it features a self-cleaning rotary drum, a moving bed bio chamber, and a mat filter section—delivering clean, clear, and healthy water with minimal maintenance.
Key Features:
-
Maximum flow capacity: 6,600 gallons per hour
-
Suitable for ponds up to approximately 10,000 gallons
-
120-micron stainless steel rotary drum for precise solid removal
-
Automatic rinse system with high-torque 40 Nm motor and spray bar
-
Compact design with installation height of just 16 cm above waterline
-
90-liter integrated bio chamber with Helix-style moving media
-
Built-in mat chamber for additional aerobic filtration
-
Two air diffusers for enhanced oxygenation and biological performance
-
Durable polypropylene and stainless steel construction
-
Modular, plug-and-play control panel with adjustable cleaning intervals
-
Plumbing: 3 x 4" inlets, 2 x 4" outlets, 1 x 4" waste outlet
Benefits:
-
Combines mechanical and biological filtration in a compact footprint
-
Automatically removes fine solids to reduce cleaning and maintenance
-
Dual bio treatment ensures improved water quality and nutrient breakdown
-
Ideal for shallow vaults or installations with limited vertical clearance
-
Robust, weather-resistant design ensures long-term performance
-
Supports gravity-fed or pump-fed pond configurations
Ideal Applications:
-
Medium-sized koi ponds, garden ponds, and aquaculture systems
-
Vault-mounted filter installations with limited height
-
Pond keepers seeking efficient, low-maintenance filtration
-
Systems requiring enhanced biological support with minimal space
| Shipping | Shipping times vary by brand; some orders ship the same day, others take 1-2 days to process. |
| Delivery | Estimated delivery on We pride ourselves on fast shipping and excellent customer service. |
We take immense pride in offering some of the finest water feature products in the world, backed by our 30-day money-back guarantee. If you're not completely satisfied, we’ll go above and beyond to make it right.
✅ Premium Quality – Our products are among the best in the industry.
✅ Risk-Free Guarantee – Enjoy a 30-day money-back policy for peace of mind.
✅ 24/7 Customer Support – Our friendly team is always ready to assist you.
📧 Email: support@eternalfountains.com
📞 Call/Text: +1 (307) 317-8947
Description
Sea Side Aquatics™ Entry M25 RDF Combi Filter – Model ENTRY‑M25
Integrated Drum Filter with Moving Bed and Mat Chamber for Ponds up to 10,000 Gallons
The Sea Side Aquatics Entry M25 RDF Combi Filter is a low-profile, all-in-one filtration system combining automatic mechanical filtration with dual-stage biological treatment. Engineered for efficiency and ease of use, it features a self-cleaning rotary drum, a moving bed bio chamber, and a mat filter section—delivering clean, clear, and healthy water with minimal maintenance.
Key Features:
-
Maximum flow capacity: 6,600 gallons per hour
-
Suitable for ponds up to approximately 10,000 gallons
-
120-micron stainless steel rotary drum for precise solid removal
-
Automatic rinse system with high-torque 40 Nm motor and spray bar
-
Compact design with installation height of just 16 cm above waterline
-
90-liter integrated bio chamber with Helix-style moving media
-
Built-in mat chamber for additional aerobic filtration
-
Two air diffusers for enhanced oxygenation and biological performance
-
Durable polypropylene and stainless steel construction
-
Modular, plug-and-play control panel with adjustable cleaning intervals
-
Plumbing: 3 x 4" inlets, 2 x 4" outlets, 1 x 4" waste outlet
Benefits:
-
Combines mechanical and biological filtration in a compact footprint
-
Automatically removes fine solids to reduce cleaning and maintenance
-
Dual bio treatment ensures improved water quality and nutrient breakdown
-
Ideal for shallow vaults or installations with limited vertical clearance
-
Robust, weather-resistant design ensures long-term performance
-
Supports gravity-fed or pump-fed pond configurations
Ideal Applications:
-
Medium-sized koi ponds, garden ponds, and aquaculture systems
-
Vault-mounted filter installations with limited height
-
Pond keepers seeking efficient, low-maintenance filtration
-
Systems requiring enhanced biological support with minimal space
Shipping
| Shipping | Shipping times vary by brand; some orders ship the same day, others take 1-2 days to process. |
| Delivery | Estimated delivery on We pride ourselves on fast shipping and excellent customer service. |
Our Guarantee
We take immense pride in offering some of the finest water feature products in the world, backed by our 30-day money-back guarantee. If you're not completely satisfied, we’ll go above and beyond to make it right.
✅ Premium Quality – Our products are among the best in the industry.
✅ Risk-Free Guarantee – Enjoy a 30-day money-back policy for peace of mind.
✅ 24/7 Customer Support – Our friendly team is always ready to assist you.
📧 Email: support@eternalfountains.com
📞 Call/Text: +1 (307) 317-8947
Crystal Quest Nitrate Whole House Water Filter CQE-WH-01131
Configuration/Structure/Cubic Feet of Resin
Crystal Quest Big Blue Whole House Water Filter, Alkalizing (4-6 GPM | 1-2 people) CQE-WH-20006A
Configuration/Port Size (inlet/outlet)/Include
Crystal Quest Sulfate Removal Whole House Systems CQE-WH-02000
Configuration/Structure/Cubic Feet of Resin
Crystal Quest Turbidity Whole House Water Filter CQE-WH-01259
Configuration/Structure/Cubic Feet of Resin
Crystal Quest Tannin Whole House Water Filter CQE-WH-01193
Configuration/Structure/Cubic Feet of Resin
Crystal Quest Metal Removal Whole House Water Filter CQE-WH-01195
Configuration/Structure/Cubic Feet of Resin
Crystal Quest Fluoride Whole House Water Filter CQE-WH-11630
Configuration/Structure/Cubic Feet of Resin
Crystal Quest Arsenic Whole House Water Filter CQE-WH-01147
Configuration/Structure/Cubic Feet of Resin
Crystal Quest Natural Alkalizer / Ionizer Mineralizer & Oxidation Whole House System CQE-WH-08007
Cubic Feet of Resin/Backwash
Crystal Quest Eagle Whole House Water Filter CQE-WH-02111
Configuration/Structure/Cubic Feet of Resin
Crystal Quest Acid Neutralizing Whole House Water Filter CQE-WH-01243
Configuration/Structure/Cubic Feet of Resin
Crystal Quest Demineralizing (DI) Water Filtration System CQE-CO-02160
Flow Rate/Control Head
Crystal Quest Acid Neutralizing Water Filtration System CQE-CO-02128
Flow Rate/Control Valve
Let customers speak for us
Why Choose Eternal Fountains?
Why Choose Eternal Fountains?
We handpick only the most reliable and beautifully crafted fountains from trusted U.S. brands
FREQUENTLY ASKED QUESTIONS (FAQ)
How long will it take for my order to be shipped and delivered?
What payment methods do you accept?
We accept all major credit and debit cards — Visa, Mastercard, American Express, Discover, JCB, Diners Club, UnionPay, and Elo.
You can also pay over time with
— choose 3, 6, or 12 monthly payments with no hidden fees.